Cheap flights from London Heathrow Airport to Los Angeles
LHR — LAX
6 Dec — 13 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Los Angeles are usually found in September or February, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from Heathrow to Los Angeles
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 November 2025.
Popular in
July
Cheapest in
September
Average price
C$ 881
Highest demand for flights based on searches. 13% potential increase in price (C$ 205 potential increase over avg. RT price).
Best time to book a flight from Heathrow to Los Angeles
Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Los Angeles
Prices
Airlines
Delays
How far ahead should I book a flight from London Heathrow Airport to Los Angeles?
Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Los Angeles. Price data was last updated on 31 October 2025.
Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Los Angeles. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London Heathrow Airport to Los Angeles?
Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Los Angeles (average of C$ 642). Flying from London Heathrow Airport to Los Angeles in July is currently the most expensive (average of C$ 786). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to LAX?
Find hourly flight availability from Heathrow to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 November 2025.
When flying from London Heathrow Airport to Los Angeles, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.
Weekly flight availability from London Heathrow Airport to Los Angeles
Explore weekly flight availability from Heathrow to Los Angeles. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 November 2025.
The most flights from LHR to LAX are scheduled on a Tuesday (51 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (44 on average).
How often are flights from London to Los Angeles delayed?
About 12% of weekly flights between London and Los Angeles have experienced delays in the past year, with the average delay time being 145 minutes.
What is the most punctual flight time for London to Los Angeles flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Los Angeles flights?
Over the past year, SriLankan Airlines has had the lowest number of delays on this route, with just 5% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Los Angeles from London Heathrow?
Most people fly into Los Angeles (LAX) if they book a flight to Los Angeles from London Heathrow. On average, Los Angeles has 48 inbound flights from London Heathrow per day from 0 airlines. Los Angeles is conveniently located just 15.1 km from Los Angeles’s city centre.
What are the most reliable airlines from London Heathrow Airport to Los Angeles?
Before booking your flight to Los Angeles from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: KLM (87%), Air France (83%), Delta( 83%).
Can I find deals for flights from Heathrow to Los Angeles that include hotel bookings?
Yes. In addition to deals on Heathrow to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Los Angeles?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Los Angeles.
Can I find deals for business class flights from Heathrow to Los Angeles?
Yes. Cheapflights offers flight deals from Heathrow to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Los Angeles?
Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Los Angeles (average of C$ 642). Flying from London Heathrow Airport to Los Angeles in July is currently the most expensive (average of C$ 786). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Los Angeles departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Los Angeles?
Cheapflights helps you search for flights from Heathrow to Los Angeles via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Los Angeles?
Cheapflights simply makes it quick and affordable to book flights from Heathrow to Los Angeles by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Heathrow to Los Angeles with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Los Angeles with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Los Angeles become cheaper?
Yes! Start tracking prices for Heathrow to Los Angeles flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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